Walker 350-34169 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-34169 Oxygen Sensor

The Walker 350-34169 oxygen sensor is designed specifically for select Audi and Toyota models, including the Audi S3, Toyota Cressida, and Toyota Supra. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Audi S3, Toyota Cressida, and Supra
• 17.24-inch wiring harness length with 4 wires
• 20-gauge wire for reliable signal transmission
• Radiused polygon female connector for secure connection
• 18.0 mm thread diameter with flange mount installation
• Overall length of 20.79 inches for proper fitment

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34169) features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor includes a 17.24-inch wiring harness with four 20-gauge wires, ensuring consistent electrical performance. Its radiused polygon female connector provides a secure and precise connection to the vehicle’s wiring system. The sensor mounts via a flange with an 18.0 mm thread diameter, designed for a specific fit on Audi S3, Toyota Cressida, and Toyota Supra models. The overall length of 20.79 inches supports proper installation without strain on the wiring.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM specifications. This oxygen sensor is part of that line, engineered to provide accurate sensor readings and durability under typical operating conditions. The product line emphasizes compatibility and quality to support vehicle emissions systems effectively.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces engine misfires caused by faulty oxygen sensor readings
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate exhaust data
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the flange mount. Verify the connector shape and gender match the vehicle’s wiring harness for a secure fit. Route the wiring harness carefully to prevent contact with hot or moving parts. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and provide consistent performance. The 350-34169 part is manufactured to precise specifications for durability and reliability. Warranty details are provided by Walker Products Aftermarket and typically cover defects in materials and workmanship under normal use.